IDE testing plugin- boolean problem

Hi All, I started using testing plugin in the IDE. I found an issue with boolean value setting. It could be my very basic knowledge of JS but here it is.
I am trying to change the value of a boolean variable with a button from the testing plugin. This is the code:

var my_bool = true;
var bool_test = function(){
  if (my_bool) console.log("true");
  else console.log("false");
};

setInterval(bool_test, 1000);

then I run the program and test. After toggling the test button, my_bool variable is still true. Same code works fine with numeric values.

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